Rights: York Museums Trust (Yorkshire Museum)/The Trustees of the British Museum. Purchased with the aid of grants from the National Heritage Memorial Fund, The Art Fund (with a contribution from the Wolfson Foundation), British Museum Challenge Fund and Public Appeal, 2009., York Museums Trust (Yorkshire Museum)/The Trustees of the British Museum. Purchased with the aid of grants from the National Heritage Memorial Fund, The Art Fund (with a contribution from the Wolfson Foundation), British Museum Challenge Fund and Public Appeal, 2009.